Teleostei (teleosts) >
Anguilliformes (Eels and morays) >
Congridae (Conger and garden eels) > Congrinae
Etymology: Gnathophis: Greek, gnathos = jaw + Greek, ophis = serpent (Ref. 45335); asanoi: Named for Hirotoshi Asano, for his contribution to the study of congrid eels of Japan.
Eponymy: Dr Hirotoshi Asano was (1987) a member of the Department of Fisheries, Faculty of Agriculture, Kinki University, Japan. [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; bathydemersal; depth range 280 - 440 m (Ref. 54804). Deep-water
Western Pacific: Philippines.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 35.0 cm TL male/unsexed; (Ref. 54804)
Short description
Identification keys | Morphology | Morphometrics
Dorsal soft rays (total): 239; Anal soft rays: 159; Vertebrae: 139 - 140. Diagnosis: Fins are light; ray bases are dark. Canal of second lateral line pore elevated, while pores above the pectoral fin are not. Vertebrae 139-140; trunk vertebrae 41-42. Lateral line pores to anus 34-35. Supraorbital canal 6; suborbital canal 7; preoperculomandibular canal 10; occipital commissure 3. Swim bladder do not reach the anus. Gastrointestinal tract light (Ref. 54804).
Body shape (shape guide): eel-like.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Karmovskaya, E.S., 2004. Benthopelagic bathyal conger eels of families Congridae and Nettastomatidae from the Western Tropical Pacific, with descriptions of ten new species. J. Ichthyol. 44(1):S1-S32. (Ref. 54804)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Harmless
Human uses
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